import React, { useState } from 'react';
import { UserProfile, UserPreferences } from '../types';
import { User, Settings, Globe, Shield, Bell, Save, Camera, Target, Flame, Layout } from 'lucide-react';

interface UserProfileSettingsProps {
    user: UserProfile;
    onUpdate: (updates: Partial<UserProfile>) => void;
    onBack: () => void;
}

const UserProfileSettings: React.FC<UserProfileSettingsProps> = ({ user, onUpdate, onBack }) => {
    // DEBUG: Check props
    console.log("[UserProfileSettings DEBUG] PROPS RECEIVED:", {
        user,
        userId: user?.id,
        hasOnUpdate: !!onUpdate,
        hasOnBack: !!onBack
    });

    const [activeTab, setActiveTab] = useState<'profile' | 'preferences' | 'account'>('profile');
    const [formData, setFormData] = useState({
        name: user.name,
        bio: user.bio || '',
        email: user.email,
        theme: user.preferences.theme,
        dailyWordGoal: user.preferences.dailyWordGoal
    });

    const handleSave = () => {
        onUpdate({
            name: formData.name,
            bio: formData.bio,
            email: formData.email,
            preferences: {
                ...user.preferences,
                theme: formData.theme,
                dailyWordGoal: formData.dailyWordGoal
            }
        });
        alert("Profil mis à jour !");
    };

    return (
        <div className="h-full bg-slate-50 overflow-y-auto p-8 font-sans">
            <div className="max-w-4xl mx-auto">
                <div className="flex justify-between items-center mb-10">
                    <div>
                        <h1 className="text-3xl font-black text-slate-900">Mon Compte</h1>
                        <p className="text-slate-500">Gérez vos informations personnelles et préférences d'écriture.</p>
                    </div>
                    <button onClick={onBack} className="bg-white border border-slate-200 px-4 py-2 rounded-lg text-sm font-bold hover:bg-slate-50 transition-colors">Fermer</button>
                </div>

                <div className="flex flex-col md:flex-row gap-8">
                    {/* Sidebar Navigation */}
                    <div className="w-full md:w-64 space-y-1">
                        <button
                            onClick={() => setActiveTab('profile')}
                            className={`w-full flex items-center gap-3 px-4 py-3 rounded-xl text-sm font-bold transition-all ${activeTab === 'profile' ? 'bg-slate-900 text-white shadow-lg' : 'text-slate-500 hover:bg-white hover:text-slate-900'}`}
                        >
                            <User size={18} /> Profil Public
                        </button>
                        <button
                            onClick={() => setActiveTab('preferences')}
                            className={`w-full flex items-center gap-3 px-4 py-3 rounded-xl text-sm font-bold transition-all ${activeTab === 'preferences' ? 'bg-slate-900 text-white shadow-lg' : 'text-slate-500 hover:bg-white hover:text-slate-900'}`}
                        >
                            <Layout size={18} /> Interface & Écriture
                        </button>
                        <button
                            onClick={() => setActiveTab('account')}
                            className={`w-full flex items-center gap-3 px-4 py-3 rounded-xl text-sm font-bold transition-all ${activeTab === 'account' ? 'bg-slate-900 text-white shadow-lg' : 'text-slate-500 hover:bg-white hover:text-slate-900'}`}
                        >
                            <Shield size={18} /> Sécurité & Plan
                        </button>
                    </div>

                    {/* Main Content Pane */}
                    <div className="flex-1 bg-white rounded-2xl shadow-sm border border-slate-200 p-8">
                        {activeTab === 'profile' && (
                            <div className="space-y-8 animate-in fade-in slide-in-from-bottom-4 duration-300">
                                <div className="flex items-center gap-6 pb-8 border-b border-slate-100">
                                    <div className="relative group">
                                        <img src={user.avatar} className="w-24 h-24 rounded-full object-cover border-4 border-slate-50 shadow-md" alt="Avatar" />
                                        <button className="absolute inset-0 bg-black/40 text-white rounded-full opacity-0 group-hover:opacity-100 flex items-center justify-center transition-opacity">
                                            <Camera size={20} />
                                        </button>
                                    </div>
                                    <div>
                                        <h3 className="font-bold text-slate-900 text-lg">{user.name}</h3>
                                        <p className="text-slate-400 text-sm">Membre depuis Janvier 2024</p>
                                        <div className="mt-2 flex gap-4">
                                            <div className="flex items-center gap-1.5 text-xs font-bold text-orange-500">
                                                <Flame size={14} fill="currentColor" /> {user.stats.writingStreak} jours de streak
                                            </div>
                                        </div>
                                    </div>
                                </div>

                                <div className="grid grid-cols-1 gap-6">
                                    <div className="space-y-1">
                                        <label className="text-xs font-black text-slate-400 uppercase tracking-widest">Nom affiché</label>
                                        <input
                                            type="text"
                                            value={formData.name}
                                            onChange={(e) => setFormData({ ...formData, name: e.target.value })}
                                            className="w-full p-3 bg-slate-50 border border-slate-200 rounded-xl outline-none focus:ring-2 focus:ring-blue-500"
                                        />
                                    </div>
                                    <div className="space-y-1">
                                        <label className="text-xs font-black text-slate-400 uppercase tracking-widest">Bio / Citation inspirante</label>
                                        <textarea
                                            value={formData.bio}
                                            onChange={(e) => setFormData({ ...formData, bio: e.target.value })}
                                            className="w-full p-3 bg-slate-50 border border-slate-200 rounded-xl outline-none focus:ring-2 focus:ring-blue-500 h-24 resize-none"
                                            placeholder="Partagez quelques mots sur votre style..."
                                        />
                                    </div>
                                </div>
                            </div>
                        )}

                        {activeTab === 'preferences' && (
                            <div className="space-y-8 animate-in fade-in slide-in-from-bottom-4 duration-300">
                                <div className="grid grid-cols-1 gap-8">
                                    <div className="space-y-3">
                                        <label className="text-xs font-black text-slate-400 uppercase tracking-widest flex items-center gap-2">
                                            <Target size={14} /> Objectif quotidien de mots
                                        </label>
                                        <div className="flex items-center gap-4">
                                            <input
                                                type="range" min="0" max="5000" step="100"
                                                value={formData.dailyWordGoal}
                                                onChange={(e) => setFormData({ ...formData, dailyWordGoal: parseInt(e.target.value) })}
                                                className="flex-1 accent-blue-600"
                                            />
                                            <span className="font-mono font-bold text-blue-600 bg-blue-50 px-3 py-1 rounded-lg">{formData.dailyWordGoal}</span>
                                        </div>
                                    </div>

                                    <div className="space-y-3">
                                        <label className="text-xs font-black text-slate-400 uppercase tracking-widest flex items-center gap-2">
                                            Thème de l'éditeur
                                        </label>
                                        <div className="grid grid-cols-3 gap-3">
                                            {['light', 'sepia', 'dark'].map((t) => (
                                                <button
                                                    key={t}
                                                    onClick={() => setFormData({ ...formData, theme: t as any })}
                                                    className={`p-4 rounded-xl border-2 transition-all flex flex-col items-center gap-2 ${formData.theme === t ? 'border-blue-500 bg-blue-50 text-blue-700' : 'border-slate-100 hover:border-slate-200 text-slate-500'}`}
                                                >
                                                    <div className={`w-8 h-8 rounded-full border border-slate-200 ${t === 'light' ? 'bg-white' : t === 'sepia' ? 'bg-[#f4ecd8]' : 'bg-slate-900'}`} />
                                                    <span className="text-[10px] font-bold uppercase">{t}</span>
                                                </button>
                                            ))}
                                        </div>
                                    </div>
                                </div>
                            </div>
                        )}

                        {activeTab === 'account' && (
                            <div className="space-y-8 animate-in fade-in slide-in-from-bottom-4 duration-300">
                                <div className="p-4 bg-blue-50 border border-blue-100 rounded-xl flex justify-between items-center">
                                    <div>
                                        <h4 className="font-bold text-blue-900">Plan {user.subscription.plan.toUpperCase()}</h4>
                                        <p className="text-xs text-blue-700">Prochaine facturation le 15 Mars 2024</p>
                                    </div>
                                    <button className="bg-blue-600 text-white px-4 py-2 rounded-lg text-xs font-bold hover:bg-blue-700 shadow-md shadow-blue-200">Gérer</button>
                                </div>

                                <div className="space-y-1">
                                    <label className="text-xs font-black text-slate-400 uppercase tracking-widest">Email du compte</label>
                                    <input
                                        type="email"
                                        value={formData.email}
                                        onChange={(e) => setFormData({ ...formData, email: e.target.value })}
                                        className="w-full p-3 bg-slate-50 border border-slate-200 rounded-xl outline-none focus:ring-2 focus:ring-blue-500"
                                    />
                                </div>

                                <div className="pt-4">
                                    <button className="text-red-500 text-sm font-bold hover:underline">Supprimer mon compte définitivement</button>
                                </div>
                            </div>
                        )}

                        <div className="mt-12 pt-8 border-t border-slate-100 flex justify-end">
                            <button
                                onClick={handleSave}
                                className="bg-slate-900 text-white px-8 py-3 rounded-xl font-bold flex items-center gap-2 hover:bg-blue-600 transition-all shadow-xl hover:shadow-blue-200"
                            >
                                <Save size={18} /> Sauvegarder les modifications
                            </button>
                        </div>
                    </div>
                </div>
            </div>
        </div>
    );
};

export default UserProfileSettings;